Comparison

Flip!? vs My Inventory Stack

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Flip!?

This app provides a digital canvas for freehand writing and text input, mimicking a blackboard or memo board. It offers various pen types, colors, and backgrounds for creative expression and practical use in classrooms or for making quick signs.

Highlights
  • Handwriting input with Apple Pencil or finger
  • Multiple pen types and colors
  • Free positioning of text
  • 15 preset backgrounds
  • Use custom photos as backgrounds
  • Edit and preview modes
Features
Read full description

Flip!? is a simple landscape-oriented board app where you can write freely with handwriting and text. Perfect for classroom blackboards, memo boards, quick signs, and many other everyday scenes. ■ Key Features ・Handwriting input with Apple Pencil or your finger ・Multiple pen types: fountain pen, pencil, marker, and more ・Free choice of color and line thickness ・Freely positioned text input ・15 preset backgrounds (blackboard, brick, sky, night sky, etc.) ・Set any photo from your library as a background ・Switch between edit mode and preview mode ■ Recommended for ・Teachers and presenters who need a whiteboard alternative ・Anyone making handwritten notices or signs ・Doodling and quick idea memos ・Fun creative play for kids Simple to use and ready right out of the box. Give it a try!

About

My Inventory Stack

Manage your business or collection with this intuitive inventory companion. Track items, quantities, sales, and suppliers. Organize your stock with custom categories and receive reminders for re-ordering.

Highlights
  • Intuitive item addition with photos, SKU/UPC, and costs
  • Barcode scanning via camera
  • Smart dashboard with low stock alerts and reminders
  • Customizable categories and sub-categories
  • Supplier and purchase order management
  • Multi-store management
  • Sales and purchase history tracking
Features
Read full description

Stop guessing. Start managing. My Inventory Stack is the simple, powerful inventory companion designed for your small business, hobby, or collection. Track your inventory, manage sales, and understand your business -- all from your devices. My Inventory Stack helps you take control of your inventory with a clean interface and powerful features. -------------------- KEY FEATURES: - Intuitive Inventory: Add items in seconds. Track quantity, multiple photos, SKU/UPC, costs, and sale prices for your entire catalog. - Barcode Scanning: Use your camera to instantly scan barcodes to find items, add new stock, or add codes to existing items in your app's inventory. - Smart Dashboard: Your command centre. "Needs Attention" shows you low stock items, upcoming reminders, and open purchase orders all in one place. - Powerful Organization: Create categories and nested sub-categories to organize your inventory exactly how you want, complete with custom colours and icons. - Manage Suppliers & Purchase Orders: Keep track of your suppliers and attach purchase orders to ease adding new stock to your inventory. - Multiple Stores: Create multiple Stores to manage different locations, or simply categorize items and categories onto different stores. - Track History: See a full sales and purchase history (cost history) for every item to understand its performance over time. - Custom Reminders: Set reminders with priorities for re-ordering, follow-ups, or any other task. ------------------- UPGRADE YOUR BUSINESS (ONE TIME FEE & NO SUBSCRIPTIONS!) My Inventory Stack is free to get started. When you're ready to grow, unlock powerful features with a ONE-TIME PURCHASE. Pay once, own it forever. Unlock PRO (One-Time Purchase): - Perfect for serious hobbyists and growing single stores. - UNLIMITED: Add unlimited items, categories, and reminders. - SALES INSIGHTS: Understand your business with charts for revenue and profit. See your best and worst-selling items. - LOW STOCK ALERTS: Get notified on the dashboard when your items run low based on thresholds you set. - DATA EXPORT: Back up your items, sales, and reminders to a CSV file. Unlock BUSINESS (One-Time Purchase): - The ultimate toolkit for small businesses. - INCLUDES ALL PRO FEATURES - MULTI-STORE MANAGEMENT: Manage inventory across multiple stores or locations from one app. - SALES TRACKING: Log sales to automatically deplete stock and power your insights. - SUPPLIER MANAGEMENT: Keep a complete directory of your suppliers. - PURCHASE ORDER SYSTEM: Create, track, and receive Purchase Orders (POs) from your suppliers to automatically update your stock levels and cost history. Whether you're managing a small shop, tracking collectibles, or running a pop-up, My Inventory Stack brings clarity to your inventory. Download today and take control of your stock.

Screenshots

Flip!?4 screens
My Inventory Stack4 screens

Verdict

The call

The clearest difference is rating: Flip!? at 5.0 against My Inventory Stack's 1.0. Flip!? also leads on in-app purchases (none vs 3). My Inventory Stack's advantage is ads (none vs shown) and update cadence (every 10 days vs every 2 months). On price, ratings volume, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. My Inventory Stack sells 3 one-off in-app purchases. Flip!? asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flip!? holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Flip!? ships an update every 2 months, My Inventory Stack every 10 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Flip!? versus My Inventory Stack: the parameters behind the verdict, then further details
ParameterFlip!?My Inventory Stack
PriceFreeFree
Rating5.0 (1 ratings) — better1.0 (2 ratings)
Positive reviews—0.0% of reviews
Number of ratings12 — better
Update frequencyEvery 2 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.0 — better18.0
Further details — not scored
Size45 MB11 MB
Age rating4+4+
Developeryuya kanbetsunawaBryan Jeffrey Martin

Customer experience

Flip!?

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

My Inventory Stack

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Flip!?

No in-app purchases

3 purchases

My Inventory Stack

One-time3
  • Business (Upgrade from Pro)$19.99
  • Pro$24.99
  • Business$39.99

Questions

Is Flip!? free?
Flip!? is free to download, with no in-app purchases.
Is My Inventory Stack free?
My Inventory Stack is free to download, with in-app purchases available.
Which has better reviews, Flip!? or My Inventory Stack?
Flip!? is rated higher. Flip!? averages 5.0 out of 5 from 1 ratings, while My Inventory Stack averages 1.0 from 2 ratings.
Do Flip!? or My Inventory Stack have ads?
Flip!? shows ads; My Inventory Stack does not.
Which is updated more often, Flip!? or My Inventory Stack?
Flip!? ships an update every 2 months, and My Inventory Stack every 10 days. Most recently, Flip!? was updated on October 1, 2026 and My Inventory Stack on October 9, 2026.

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